Effect of occasional shear loading on fatigue crack growthin 7075 aluminum alloy

M. Makizaki, Hisao Matsunaga, K. Yanase, M. Endo

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 引用 (Scopus)

抜粋

Effect of occasional mode II loading on subsequent mode I fatigue crack growth behavior was investigated by using a thin-walled tube made of 7075-T6511 aluminum alloy.Careful observation of crack growth behavior revealed that the occasional mode II loading has two contradictory effects for crack growth behavior. The first is a retardation effect that is associated with the plastic deformation near crack tip. However, this effect is negligibly small for the crack growth life as a whole. The second is an acceleration effect caused by mode II fatigue crack growth itself. It was found that under relatively high ΔK level, the mode II crack growth was about an order magnitude faster than mode I crack growth. Therefore, to properly evaluate the effect of occasional shear loading in the 7075 alloy, the mode II crack growth should be taken into account.

元の言語英語
ホスト出版物のタイトルAdvanced Materials Science and Technology
ページ264-267
ページ数4
DOI
出版物ステータス出版済み - 4 10 2013
イベント8th International Forum on Advanced Materials Science and Technology, IFAMST 2012 - Fukuoka City, 日本
継続期間: 8 1 20128 4 2012

出版物シリーズ

名前Materials Science Forum
750
ISSN(印刷物)0255-5476

その他

その他8th International Forum on Advanced Materials Science and Technology, IFAMST 2012
日本
Fukuoka City
期間8/1/128/4/12

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

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  • これを引用

    Makizaki, M., Matsunaga, H., Yanase, K., & Endo, M. (2013). Effect of occasional shear loading on fatigue crack growthin 7075 aluminum alloy. : Advanced Materials Science and Technology (pp. 264-267). (Materials Science Forum; 巻数 750). https://doi.org/10.4028/www.scientific.net/MSF.750.264